Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| GREENSTATE | North Liberty, IA | 01-01-1938 | $10,946,944 | CU |
| Principal Bank | Des Moines, IA | 02-12-1998 | $9,836,922 | BK |
| VERIDIAN | Waterloo, IA | 01-01-1934 | $9,152,921 | CU |
| Bankers Trust Company | Des Moines, IA | 06-01-1917 | $7,832,471 | BK |
| Hills Bank and Trust Company | Hills, IA | 01-01-1904 | $4,794,969 | BK |
| West Bank | West Des Moines, IA | 01-01-1893 | $4,029,129 | BK |
| DUPACO COMMUNITY | Dubuque, IA | 01-01-1948 | $3,545,329 | CU |
| Northwest Bank | Spencer, IA | 12-30-1988 | $2,999,288 | BK |
| Cedar Rapids Bank and Trust Company | Cedar Rapids, IA | 09-14-2001 | $2,900,018 | BK |
| Quad City Bank and Trust Company | Bettendorf, IA | 01-07-1994 | $2,774,878 | BK |
| Fidelity Bank & Trust | Dubuque, IA | 04-20-1910 | $2,603,348 | BK |
| United Bank of Iowa | Ida Grove, IA | 02-04-1932 | $2,495,750 | BK |
| Bank Iowa | West Des Moines, IA | 03-07-1923 | $2,348,695 | BK |
| Luana Savings Bank | Luana, IA | 08-01-1908 | $2,341,323 | BK |
| Central Bank | Storm Lake, IA | 01-01-1879 | $2,290,918 | BK |